Doe Malaysia Water Quality Standard

Biochemical oxygen demand bod 91 100.

Doe malaysia water quality standard. 0 nh m 0 nh m 1 nh m 4jmjdb nh m 40 nh m 4 nh m 0 nh m sptt h m sptt h m 3b h m 4s h m h m. However the country lacks a nationally recognized standard for water quality. Malaysia receives 25 000 cubic meters of renewable water for each person each year from this river system. Environmental quality sewage and industrial effluents regulations 1979 in exercise of the powers conferred by section 51 of the environmental quality act 1974 the minister after consukation with the environmental quality council makes the following regulations.

Standards have been established for the quality of effluent discharged from treatment plants to receiving waters. Standard malaysia marine water quality criteria and standard parameter class 1 class 2 class 3 class e benefical uses preservation marine protected areas marine parks marine life fisheries coral reefs recreational and mariculture ports oil gas fields mangroves estuarine river mouth water. This system significantly improves the water quality in malaysia. Malaysia sewage and industrial effluent discharge standards.

According to malaysia s environmental law environmental quality act 1974 the malaysia environmental quality sewage and industrial effluents regulations 1979 1999 2000. Parameter limits of effluent of standards a and b. Doe water quality classification based on water quality index index range sub index water quality index clean slightly polluted polluted biochemical oxygen demand bod 91 100 80 90 0 79 ammoniacal nitrogen nh 3 n 92 100 71 91 0 70 suspended solids ss 76 100 70 75 0 69. Effluents from treatment plants are regularly sampled and tested in laboratories to ensure that these standards are being met and that treatment plants are being operated correctly.

The department of environment doe uses water quality index wqi and national water quality standards for malaysia nwqs to evaluate the status of the river water quality. Ammoniacal nitrogen nh3 n 92 100. The wqi introduced by doe is being practiced in malaysia for about 25 years and serves as the basis for the assessment of environment water quality while nwqs classifies the beneficial uses of the watercourse based on wqi. Department of environment ministry of environment and water level 1 4 podium 2 3 wisma sumber asli no 25 persiaran perdana presint 4 pusat pentadbiran kerajaan persekutuan 62574 putrajaya malaysia.

Part l preliminary 1. Suspended solids ss 76 100.